Halloween and the ocean -- sometimes cute, but mostly creepy!
Red-Bellied Pacu, the piranha's vegetarian (usually anyway) cousin. It's teeth closely resemble human teeth. Creepy in the extreme.
"Halloween" lobster -- the rare "split" lobster, bright orange and black, was caught in a trap last week by a fisherman from Salem, Massachusetts. According to the New England Aquarium, split lobsters occur at a ratio of roughly one in 50 to 100 million lobsters. (10/31/12)
The barreleye (Macropinna microstoma for you ichthyologists) is a deepwater fish that has a see-through, fluid filled head in which it moves its eyeballs.